diff --git a/src/fragments/forms/map-form/components/optimization/components/optimization-details/optimization-details.js b/src/fragments/forms/map-form/components/optimization/components/optimization-details/optimization-details.js
index 91a4175a7..b0800b1d1 100644
--- a/src/fragments/forms/map-form/components/optimization/components/optimization-details/optimization-details.js
+++ b/src/fragments/forms/map-form/components/optimization/components/optimization-details/optimization-details.js
@@ -58,7 +58,7 @@ export default {
       for (const job of this.mapViewData.rawData.unassigned) {
         ids.push(job.id)
       }
-      ids.sort()
+      ids.sort((a,b) => a-b)
       return 'Job ' + ids.join(', Job ')
     }
   },